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Instrumentation and Monitoring of Sand Plugging and Bridge Scour at Selected Streams in Hawaii

The project will install, test and evaluate existing instrumentation for monitoring scour and sand plugging at selected bridges in Hawaii. It will validate and modify existing scour equations to be specifically applicable to bridges in Hawaii's coastal zone under sub-critical flow conditions; begin the development of management and maintenance plans, and engineering solutions to solve sand plugging problems along coastal bridges and culverts; and investigate the time-dependent scour development during flood and hurricane surge for bridges across tidal waterways in Hawaii by applying the real-time scour simulation model.